package task17;

/**
 * @author Administrator
 * 工厂类
 */
public class ChatFactory {

    public static ChatTool getTool(int a) {
        ChatTool chat=null;
        if(a==0){
            chat=new WeiBo();
        }else if(a==1){
            chat=new WeiXin();
        }else {
            System.out.println("输入有误");
        }
        return chat;
    }
}
